VAT 642 Series Installation, Operating, & Maintenance Instructions page 4

5 Operation ........................................................................................... 60
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6 Trouble shooting .............................................................................. 68
7 Maintenance ...................................................................................... 70
7.1
7.2
8 Repairs .............................................................................................. 82
9 Dismounting and Storage ................................................................ 83
9.1
9.2
10 Packaging and Transport ................................................................. 85
10.1
10.2
11 Disposal ............................................................................................. 87
12 Spare parts ........................................................................................ 88
12.1
13 Appendix ........................................................................................... 93
4/94
4.7.3 Tuning of pressure control with soft pump ....................................................... 57
Normal operation ........................................................................................................... 60
5.1.1 Local operation ................................................................................................ 61
5.1.2 Remote operation ............................................................................................ 62
Close valve .................................................................................................................... 63
Open valve..................................................................................................................... 63
Position control .............................................................................................................. 63
Pressure control ............................................................................................................. 63
5.5.1 Operation with 2 sensors ................................................................................. 64
Display information ........................................................................................................ 65
5.6.1 Power up ......................................................................................................... 65
5.6.2 Operation ........................................................................................................ 66
5.6.3 Fatal error ........................................................................................................ 66
5.6.4 Safety mode .................................................................................................... 66
5.6.5 Service indication ............................................................................................ 66
Operation during power up ............................................................................................ 67
Behavior in case of power failure ................................................................................... 67
Operation under increased temperature ........................................................................ 67
Maintenance intervals .................................................................................................... 70
Maintenance procedures ............................................................................................... 71
7.2.1 Replacement of gate seals and valve cleaning ............................................... 72
7.2.2 Replacement of Option board ......................................................................... 77
7.2.3 Retrofit / replacement procedure ..................................................................... 79
Dismounting ................................................................................................................... 83
Storage .......................................................................................................................... 84
Packaging ...................................................................................................................... 85
Transport ....................................................................................................................... 86
Drawing ......................................................................................................................... 89
12.1.1 Valve unit with seals and grease ..................................................................... 90
12.1.2 Controller ......................................................................................................... 91
12.1.3 Accessories ..................................................................................................... 91
Edition 2017-11-24
Series 642
605403ED